blob: decfb71de0c69dc16d19a1dee5fd8098f7a76a03 [file] [log] [blame]
// Copyright 2017 The Fuchsia Authors. All rights reserved.
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.
.macro zircon_syscall num, name, caller
mov $\num, %eax
// This symbol at the return address identifies this as an approved call site.
.hidden CODE_SYSRET_\name\()_VIA_\caller
// CFI aware push and pop macros.
.macro push_reg reg
push \reg
.cfi_adjust_cfa_offset 8
.cfi_rel_offset \reg, 0
.macro pop_reg reg
pop \reg
.cfi_adjust_cfa_offset -8
.cfi_same_value \reg